Home / 156,553.08-234,637.16-72,196.13

Finding the Fourth Proportional to 156,553.08, 234,637.16 and 72,196.13

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Solution

The fourth proportional to 156,553.08, 234,637.16 and 72,196.13 is: 108,205.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,553.08 : 234,637.16 = 72,196.13 : x
  2. Step 2: Convert to fraction form
    156,553.08/234,637.16 = 72,196.13/x
  3. Step 3: Cross multiply
    156,553.08x = 234,637.16 × 72,196.13
  4. Step 4: Simplify right side
    156,553.08x = 16,939,893,372.02
  5. Step 5: Solve for x
    x = 16,939,893,372.02/156,553.08
  6. Step 6: Final answer
    x = 108,205.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.